494 lines
13 KiB
C++
494 lines
13 KiB
C++
/***********************************************************************
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* term-attributes.cpp - Test the video attributes of the terminal *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2015-2020 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include <functional>
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#include <vector>
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#include <final/final.h>
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namespace fc = finalcut::fc;
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using finalcut::FPoint;
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using finalcut::FSize;
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using finalcut::FColorPair;
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//----------------------------------------------------------------------
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// class AttribDlg
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//----------------------------------------------------------------------
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class AttribDlg final : public finalcut::FDialog
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{
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public:
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// Constructor
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explicit AttribDlg (finalcut::FWidget* = nullptr);
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// Disable copy constructor
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AttribDlg (const AttribDlg&) = delete;
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// Destructor
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~AttribDlg() override;
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// Disable copy assignment operator (=)
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AttribDlg& operator = (const AttribDlg&) = delete;
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// Methods
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FColor getBGColor();
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// Event handlers
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void onKeyPress (finalcut::FKeyEvent*) override;
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void onWheel (finalcut::FWheelEvent*) override;
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void onClose (finalcut::FCloseEvent*) override;
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// Callback methods
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void cb_next (const finalcut::FWidget* = nullptr, const FDataPtr = nullptr);
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void cb_back (const finalcut::FWidget* = nullptr, const FDataPtr = nullptr);
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private:
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// Method
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void adjustSize() override;
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// Data members
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FColor bgcolor{getFWidgetColors().label_bg};
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finalcut::FButton next_button{"&Next >", this};
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finalcut::FButton back_button{"< &Back", this};
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};
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//----------------------------------------------------------------------
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AttribDlg::AttribDlg (finalcut::FWidget* parent)
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: finalcut::FDialog(parent)
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{
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FDialog::setText ( "A terminal attributes test ("
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+ finalcut::FString{getTermType()}
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+ ")");
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next_button.setGeometry ( FPoint{int(getWidth()) - 13, int(getHeight()) - 4}
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, FSize{10, 1} );
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next_button.addAccelerator (fc::Fkey_right);
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back_button.setGeometry ( FPoint{int(getWidth()) - 25, int(getHeight()) - 4}
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, FSize{10, 1} );
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back_button.addAccelerator (fc::Fkey_left);
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// Add function callbacks
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next_button.addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &AttribDlg::cb_next)
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);
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back_button.addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &AttribDlg::cb_back)
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);
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}
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//----------------------------------------------------------------------
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AttribDlg::~AttribDlg()
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{ }
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//----------------------------------------------------------------------
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FColor AttribDlg::getBGColor()
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{
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return bgcolor;
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}
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//----------------------------------------------------------------------
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void AttribDlg::onKeyPress (finalcut::FKeyEvent* ev)
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{
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if ( ! ev )
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return;
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if ( ev->key() == 'q' )
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{
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close();
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ev->accept();
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}
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else
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finalcut::FDialog::onKeyPress(ev);
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}
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//----------------------------------------------------------------------
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void AttribDlg::onWheel (finalcut::FWheelEvent* ev)
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{
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const int wheel = ev->getWheel();
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if ( wheel == fc::WheelUp )
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cb_next();
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else if ( wheel == fc::WheelDown )
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cb_back();
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}
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//----------------------------------------------------------------------
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void AttribDlg::onClose (finalcut::FCloseEvent* ev)
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{
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finalcut::FApplication::closeConfirmationDialog (this, ev);
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}
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//----------------------------------------------------------------------
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void AttribDlg::cb_next (const finalcut::FWidget*, const FDataPtr)
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{
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if ( isMonochron() )
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return;
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if ( bgcolor == FColor(getMaxColor() - 1) )
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bgcolor = fc::Default;
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else if ( bgcolor == fc::Default )
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bgcolor = 0;
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else
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bgcolor++;
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redraw();
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}
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//----------------------------------------------------------------------
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void AttribDlg::cb_back (const finalcut::FWidget*, const FDataPtr)
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{
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if ( isMonochron() )
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return;
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if ( bgcolor == 0 )
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bgcolor = fc::Default;
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else if ( bgcolor == fc::Default )
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bgcolor = FColor(getMaxColor() - 1);
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else
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bgcolor--;
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redraw();
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}
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//----------------------------------------------------------------------
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void AttribDlg::adjustSize()
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{
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int x = int((getDesktopWidth() - getWidth()) / 2);
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int y = int((getDesktopHeight() - getHeight()) / 2) + 1;
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if ( x < 1 )
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x = 1;
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if ( y < 1 )
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y = 1;
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setGeometry(FPoint{x, y}, FSize{69, 21}, false);
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next_button.setGeometry ( FPoint{int(getWidth()) - 13, int(getHeight()) - 4}
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, FSize{10, 1}, false );
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back_button.setGeometry ( FPoint{int(getWidth()) - 25, int(getHeight()) - 4}
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, FSize{10, 1}, false );
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finalcut::FDialog::adjustSize();
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}
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//----------------------------------------------------------------------
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// class AttribDemo
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//----------------------------------------------------------------------
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class AttribDemo final : public finalcut::FWidget
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{
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public:
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// Constructor
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explicit AttribDemo (FWidget* = nullptr);
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// Destructor
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~AttribDemo() override
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{ }
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// Event handler
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void onWheel (finalcut::FWheelEvent* ev) override
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{
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auto p = static_cast<AttribDlg*>(getParentWidget());
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if ( p )
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p->onWheel(ev);
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}
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private:
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// Methods
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void printColorLine();
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void printAltCharset();
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void printDim();
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void printNormal();
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void printBold();
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void printBoldDim();
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void printItalic();
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void printUnderline();
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void printDblUnderline();
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void printCrossesOut();
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void printBlink();
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void printReverse();
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void printStandout();
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void printInvisible();
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void printProtected();
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void draw() override;
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// Data member
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FColor last_color{FColor(getMaxColor())};
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};
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//----------------------------------------------------------------------
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AttribDemo::AttribDemo (finalcut::FWidget* parent)
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: finalcut::FWidget(parent)
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{
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if ( isMonochron() )
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last_color = 1;
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else if ( last_color > 16 )
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last_color = 16;
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unsetFocusable();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printColorLine()
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{
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const auto& parent = static_cast<AttribDlg*>(getParent());
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for (FColor color{0}; color < last_color; color++)
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{
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print() << FColorPair{color, parent->getBGColor()} << " # ";
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}
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}
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//----------------------------------------------------------------------
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void AttribDemo::printAltCharset()
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{
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const auto& wc = getFWidgetColors();
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const auto& parent = static_cast<AttribDlg*>(getParent());
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if ( ! isMonochron() )
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setColor (wc.label_fg, wc.label_bg);
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print() << FPoint{1, 1} << "alternate charset: ";
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if ( parent->getBGColor() == fc::Default )
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{
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setColor (fc::Default, fc::Default);
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}
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else
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{
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if ( (parent->getBGColor() <= 8)
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|| (parent->getBGColor() >= 16 && parent->getBGColor() <= 231
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&& (parent->getBGColor() - 16) % 36 <= 17)
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|| (parent->getBGColor() >= 232 && parent->getBGColor() <= 243) )
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setColor (fc::White, parent->getBGColor());
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else
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setColor (fc::Black, parent->getBGColor());
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}
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setAltCharset();
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print("`abcdefghijklmnopqrstuvwxyz{|}~");
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unsetAltCharset();
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print(" ");
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}
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//----------------------------------------------------------------------
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void AttribDemo::printDim()
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{
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print(" Dim: ");
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setDim();
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printColorLine();
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unsetDim();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printNormal()
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{
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print(" Normal: ");
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setNormal();
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printColorLine();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printBold()
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{
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print(" Bold: ");
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setBold();
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printColorLine();
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unsetBold();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printBoldDim()
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{
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print(" Bold+Dim: ");
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setBold();
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setDim();
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printColorLine();
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unsetDim();
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unsetBold();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printItalic()
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{
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print(" Italic: ");
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setItalic();
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printColorLine();
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unsetItalic();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printUnderline()
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{
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print(" Underline: ");
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setUnderline();
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printColorLine();
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unsetUnderline();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printDblUnderline()
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{
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print(" Double underline: ");
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setDoubleUnderline();
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printColorLine();
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unsetDoubleUnderline();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printCrossesOut()
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{
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print(" Crossed-out: ");
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setCrossedOut();
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printColorLine();
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unsetCrossedOut();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printBlink()
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{
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print(" Blink: ");
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setBlink();
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printColorLine();
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unsetBlink();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printReverse()
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{
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print(" Reverse: ");
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setReverse();
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printColorLine();
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unsetReverse();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printStandout()
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{
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print(" Standout: ");
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setStandout();
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printColorLine();
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unsetStandout();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printInvisible()
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{
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print(" Invisible: ");
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setInvisible();
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printColorLine();
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unsetInvisible();
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}
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//----------------------------------------------------------------------
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void AttribDemo::printProtected()
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{
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print(" Protected: ");
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setProtected();
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printColorLine();
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unsetProtected();
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}
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//----------------------------------------------------------------------
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void AttribDemo::draw()
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{
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// test alternate character set
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const auto& wc = getFWidgetColors();
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printAltCharset();
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const std::vector<std::function<void()> > effect
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{
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[this] { printNormal(); },
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[this] { printBold(); },
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[this] { printBoldDim(); },
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[this] { printItalic(); },
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[this] { printUnderline(); },
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[this] { printDblUnderline(); },
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[this] { printCrossesOut(); },
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[this] { printBlink(); },
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[this] { printReverse(); },
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[this] { printStandout(); },
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[this] { printInvisible(); },
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[this] { printProtected(); },
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};
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for (std::size_t y{0}; y < getParentWidget()->getHeight() - 7; y++)
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{
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print() << FPoint{1, 2 + int(y)};
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if ( ! isMonochron() )
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setColor (wc.label_fg, wc.label_bg);
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if ( y < effect.size() )
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effect[y]();
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}
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if ( ! isMonochron() )
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setColor(wc.label_fg, wc.label_bg);
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print() << FPoint{1, 15};
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const FColor bg = static_cast<AttribDlg*>(getParent())->getBGColor();
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print (" Background color:");
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if ( bg == fc::Default )
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print (" default");
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else
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printf ( " %d", bg);
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print() << FPoint{16, 17} << "Change background color ->";
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}
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//----------------------------------------------------------------------
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// main part
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//----------------------------------------------------------------------
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int main (int argc, char* argv[])
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{
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// Create the application object
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finalcut::FApplication app {argc, argv};
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// Create a dialog box object.
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// This object will be automatically deleted by
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// the parent object "app" (FObject destructor).
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AttribDlg dialog{&app};
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dialog.setGeometry (FPoint{6, 2}, FSize{69, 21});
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dialog.setShadow();
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// Create the attribute demo widget as a child object from the dialog
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AttribDemo demo(&dialog);
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demo.setGeometry (FPoint{1, 1}, FSize{67, 19});
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// Set the dialog object as main widget
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finalcut::FWidget::setMainWidget(&dialog);
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// Show and start the application
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dialog.show();
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return app.exec();
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}
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